Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English ǣġ

English ey (inherited)
English eyren (mention)
Old English ægwyrt (compound)
Middle English ei (inherited)
Old High German ei (cognate)
Ancient Greek ᾠόν (cognate)
Icelandic egg (cognate)
Latin ovum (cognate)